I am in process of installing Oracle software over RedHat Linux Enterprise 2.1 server.
OS was installed 2 weeks back and is not backed up.

During the process of changing the ownership of the copied media (CDS) from root:others to oracle:dba , mistakenly typed
cd /usr01
chown -R oracle:dba ..
This resulted in changing the file ownership to oracle:dba of all the directories and files under root.

later I changed back to root:root executing
chown -R root:root

Now I require help in restoring back the ownership since some services are not getting started.